Using supercritical fluid extraction to measure the desorption and bioaccessibility of phenanthrene in soils.

Stroud, Jacqueline and Rhodes, Angela and Semple, Kirk T. and Simek, Z. and Hofman, J. (2008) Using supercritical fluid extraction to measure the desorption and bioaccessibility of phenanthrene in soils. Environmental Pollution, 156 (3). pp. 664-670. ISSN 0269-7491

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Abstract

The aim of this paper was to measure the changing desorbable fraction and bioaccessibility of phenanthrene in two different soils with increasing soil-phenanthrene contact time using supercritical fluid extractions (SFE). Both soils were spiked with 100 mg kg(-1) phenanthrene and aged for 28 d. Desorption profiles were measured every 7 d using selective SFE conditions and the results were compared to C-14-phenanthrene mineralisation assays. Selective SFE showed significant differences in the rates and extents of desorption in the two soils, likely to be due to different organic matter composition. Post-extraction fitting of data yielded consistent SFE extraction times within ageing soils for bioaccessibility prediction. (C) 2008 Elsevier Ltd. All rights reserved.

Item Type:
Journal Article
Journal or Publication Title:
Environmental Pollution
Uncontrolled Keywords:
/dk/atira/pure/researchoutput/libraryofcongress/ge
Subjects:
?? SUPERCRITICAL FLUID EXTRACTIONPHENANTHRENEBIOACCESSIBILITYDESORPTIONENVIRONMENTAL SCIENCEPOLLUTIONHEALTH, TOXICOLOGY AND MUTAGENESISTOXICOLOGYGE ENVIRONMENTAL SCIENCES ??
ID Code:
22954
Deposited By:
Deposited On:
12 Jan 2009 10:18
Refereed?:
Yes
Published?:
Published
Last Modified:
19 Sep 2023 00:19